YEREVAN, Armenia - As Russian troops stormed into Ukraine last February, sending millions of Ukrainians fleeing for their lives, thousands of other Russians raced to pack their bags and leave home, fearing the Kremlin would shut the borders and impose martial law.
Some had long opposed rising authoritarianism, and the invasion was a last straw. Others were driven by economic interest, to preserve livelihoods or escape the bite of sanctions. Then, last autumn, a military mobilization spurred hundreds of thousands of men to run.